CN207809504U - A kind of novel worm screw fixed structure for electric booster steering device - Google Patents
A kind of novel worm screw fixed structure for electric booster steering device Download PDFInfo
- Publication number
- CN207809504U CN207809504U CN201721864939.8U CN201721864939U CN207809504U CN 207809504 U CN207809504 U CN 207809504U CN 201721864939 U CN201721864939 U CN 201721864939U CN 207809504 U CN207809504 U CN 207809504U
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- worm screw
- worm
- screw
- bearing
- gear
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Abstract
The utility model is related to a kind of novel worm screw fixed structures for electric booster steering device,Including turbine body,Worm screw shell,The worm screw shell is set to the top of turbine body,Worm gear is installed in the turbine body,Worm screw is installed in the worm screw shell,The periphery of the worm gear is equipped with worm-gear toothing,The medium position of the worm screw is equipped with screw thread,The worm gear passes through worm-gear toothing with worm screw,Screw thread is connected by meshing transmission,Right bearing is equipped in the worm screw shell,And the right bearing is mounted on worm screw and leans on right end position,The first plug screw is equipped on the right side of the right bearing,Left bearing is equipped in the worm screw shell,And the left bearing is mounted on worm screw and leans on left position,O-shaped rubber ring is equipped between the left bearing and worm screw,The second plug screw is equipped on the left of the left bearing,Overall structure effectively reduces the axial float of worm screw in the process of running,Due to noise caused by gap when improving worm and gear gearing noise and commutation.
Description
Technical field
The utility model is related to a kind of novel worm screw fixed structures for electric booster steering device, belong to auto parts machinery neck
Domain.
Background technology
Electric boosting steering system (Electric Power Steering, abridge EPS) is that one kind is directly carried by motor
For the power steering system of auxiliary torque, with traditional hydraulic power-assist steering system HPS (Hydraulic Power
Steering it) compares, EPS system has lot of advantages.EPS is mainly by torque sensor, vehicle speed sensor, motor, deceleration
The compositions such as mechanism and electronic control unit (ECU), existing electric booster steering device use floating type worm screw, worm and wheel engagement
When can be along worm shaft play to the left and right, the buffer for passing through bearing both ends absorbs worm screw axial float.This design cost
Relatively high, buffer structure is complicated, and development difficulty is big, and due to worm screw or so play, it is impossible to be used in brush motor power steering
System.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of for electric booster steering device
Novel worm screw fixed structure effectively reduces the axial float of worm screw in the process of running, improves worm and gear gearing noise
With commutation when due to noise caused by gap, can effectively solve the problems in background technology.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of novel worm screw fixed structure for electric booster steering device, including turbine body, worm screw shell, the snail
Rod shell is set to the top of turbine body, and worm gear is equipped in the turbine body, worm screw is equipped in the worm screw shell,
The periphery of the worm gear is equipped with worm-gear toothing, and the medium position of the worm screw is equipped with screw thread, the worm gear and worm screw by worm-gear toothing,
Screw thread is connected by meshing transmission, and right bearing is equipped in the worm screw shell, and the right bearing is mounted on worm screw and leans on right end position,
It is equipped with the first plug screw on the right side of the right bearing, left bearing is equipped in the worm screw shell, and the left bearing is mounted on worm screw
By left position, it is equipped with O-shaped rubber ring between the left bearing and worm screw, the second plug screw is equipped on the left of the left bearing.
Furthermore, the turbine body, worm screw shell are an integral structure.
Furthermore, the worm gear is made of nylon material, and the worm screw is made of steel alloy.
Furthermore, it is also coated with lubricating grease between the worm-gear toothing, screw thread.
Furthermore, the right bearing, left bearing are deep groove ball bearing, between the left bearing, O-shaped rubber ring
It is closely assembled for precompressed when assembly.
Furthermore, the right bearing, left bearing pass through the first plug screw, the second plug screw fixing bearing outer ring to snail respectively
On rod shell.
The utility model advantageous effect：A kind of novel worm screw fixed structure for electric booster steering device passes through worm gear
The transmission of worm screw, which is realized, to be turned to, and worm screw both ends are mounted on worm screw enclosure interior by deep groove ball bearing, wherein the first plug screw, second
Plug screw can be replaced elastic circlip, and O-shaped rubber ring can be replaced disk spring, and flexible clamp spring or plug screw are solid on the outside of bearing
There are O-shaped rubber ring or disk spring to be isolated on dead axle bearing outer-ring to shell, between left bearing and worm screw, is pre-pressing in assembly
Assembly, the axial float for absorbing worm screw can be very good to solve worm screw axial float in the process of running, and improve snail
Due to noise caused by gap when worm and gear gearing noise and commutation.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
Fig. 1 is a kind of novel worm screw fixed structure structure chart for electric booster steering device of the utility model.
Fig. 2 is a kind of novel worm screw fixed structure worm structure figure for electric booster steering device of the utility model.
Figure label：1, turbine body；2, worm screw shell；3, worm gear；4, worm screw；5, worm-gear toothing；6, screw thread；7, right axle
It holds；8, left bearing；9, O-shaped rubber ring；10, the first plug screw；11, the second plug screw.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs. 1-2, a kind of novel worm screw fixed structure for electric booster steering device, including turbine body 1, snail
Rod shell 2, the worm screw shell 2 are set to the top of turbine body 1, by turbine body 1, worm screw shell 2 to worm and gear
Structure is fixed and protects, and worm gear 3 is equipped in the turbine body 1, and worm screw 4 is equipped in the worm screw shell 2, described
The periphery of worm gear 3 is equipped with worm-gear toothing 5, and the medium position of the worm screw 4 is equipped with screw thread 6, and the worm gear 3 passes through worm gear with worm screw 4
Tooth 5, screw thread 6 are connected by meshing transmission, and right bearing 7 are equipped in the worm screw shell 2, and the right bearing 7 is mounted on worm screw 4 and leans on
Right end position, 7 right side of the right bearing are equipped with the first plug screw 10, and left bearing 8, and the left axle are equipped in the worm screw shell 2
It holds 8 to be mounted on worm screw 4 by left position, worm screw 4 is mounted in worm screw shell 2 by right bearing 7, left bearing 8, utilizes spiral shell
It fills on fixing bearing outer ring to worm screw shell 2, realizes the fixation to worm position, reduce axial runout, the left bearing 8
O-shaped rubber ring 9 is equipped between worm screw 4,8 left side of the left bearing is equipped with the second plug screw 11, has between left bearing 8 and worm screw O-shaped
Rubber ring 9 or the isolation of disk spring, are closely assembled in assembly for precompressed, the axial float for absorbing worm screw 4 can be fine
The axial float in the process of running of solution worm screw 4, and since gap causes when improving worm and gear gearing noise and commutation
Noise.
More specifically, the turbine body 1, worm screw shell 2 are an integral structure, and the worm gear 3 is by nylon material system
At the worm screw 4 is made of steel alloy, and lubricating grease, the right bearing 7, left bearing are also coated between the worm-gear toothing 5, screw thread 6
8 be deep groove ball bearing, is closely assembled for precompressed in assembly between the left bearing 8, O-shaped rubber ring 9, the right bearing 7, a left side
Bearing 8 is respectively by the first plug screw 10,11 fixing bearing outer ring to worm screw shell 2 of the second plug screw.
The utility model improve in：A kind of novel worm screw fixed structure for electric booster steering device passes through worm gear snail
The transmission of bar, which is realized, to be turned to, and 4 both ends of worm screw are mounted on by deep groove ball bearing inside worm screw shell 2, wherein the first plug screw 10, the
Two plug screws 11 can be replaced elastic circlip, and O-shaped rubber ring 9 can be replaced disk spring, on the outside of bearing by elastic circlip or
On person plug screw fixing bearing outer ring to worm screw shell 2, there are O-shaped rubber ring 9 or disk spring to be isolated between left bearing 8 and worm screw,
It is closely assembled for precompressed in assembly, the axial float for absorbing worm screw 4, can be very good to solve worm screw 4 in the process of running
Axial float, and due to noise caused by gap when improvement worm and gear gearing noise and commutation.
It is above the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and change, therefore, the utility model is not limited to above-mentioned specific implementation mode, every ability
Field technique personnel on the basis of the utility model made by any conspicuously improved, replacement or modification belong to this practicality
Novel protection domain.
Claims (6)
1. a kind of novel worm screw fixed structure for electric booster steering device, including turbine body (1), worm screw shell (2),
It is characterized in that：The worm screw shell (2) is set to the top of turbine body (1), and worm gear is equipped in the turbine body (1)
(3), worm screw (4) is installed, the periphery of the worm gear (3) is equipped with worm-gear toothing (5), the worm screw (4) in the worm screw shell (2)
Medium position be equipped with screw thread (6), the worm gear (3) is connected by meshing transmission with worm screw (4) by worm-gear toothing (5), screw thread (6),
Right bearing (7) is equipped in the worm screw shell (2), and the right bearing (7) is mounted on worm screw (4) and leans on right end position, it is described
It is equipped with the first plug screw (10) on the right side of right bearing (7), left bearing (8), and the left bearing (8) are equipped in the worm screw shell (2)
Left position is leaned on worm screw (4), and O-shaped rubber ring (9), the left axle are equipped between the left bearing (8) and worm screw (4)
It holds and is equipped with the second plug screw (11) on the left of (8).
2. a kind of novel worm screw fixed structure for electric booster steering device according to claim 1, it is characterised in that：
The turbine body (1), worm screw shell (2) are an integral structure.
3. a kind of novel worm screw fixed structure for electric booster steering device according to claim 1, it is characterised in that：
The worm gear (3) is made of nylon material, and the worm screw (4) is made of steel alloy.
4. a kind of novel worm screw fixed structure for electric booster steering device according to claim 1, it is characterised in that：
The worm-gear toothing (5), screw thread are also coated with lubricating grease between (6).
5. a kind of novel worm screw fixed structure for electric booster steering device according to claim 1, it is characterised in that：
The right bearing (7), left bearing (8) are deep groove ball bearing, between the left bearing (8), O-shaped rubber ring (9) in assembly
It is closely assembled for precompressed.
6. a kind of novel worm screw fixed structure for electric booster steering device according to claim 1, it is characterised in that：
The right bearing (7), left bearing (8) pass through the first plug screw (10), the second plug screw (11) fixing bearing outer ring to worm screw shell respectively
On body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864939.8U CN207809504U (en) | 2017-12-27 | 2017-12-27 | A kind of novel worm screw fixed structure for electric booster steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864939.8U CN207809504U (en) | 2017-12-27 | 2017-12-27 | A kind of novel worm screw fixed structure for electric booster steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207809504U true CN207809504U (en) | 2018-09-04 |
Family
ID=63331021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864939.8U Expired - Fee Related CN207809504U (en) | 2017-12-27 | 2017-12-27 | A kind of novel worm screw fixed structure for electric booster steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207809504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771937A (en) * | 2020-06-09 | 2021-12-10 | 耐世特汽车***（苏州）有限公司 | Electric steering power assisting method and system and power assisting device thereof |
-
2017
- 2017-12-27 CN CN201721864939.8U patent/CN207809504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771937A (en) * | 2020-06-09 | 2021-12-10 | 耐世特汽车***（苏州）有限公司 | Electric steering power assisting method and system and power assisting device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20211227 |